Triple

T17719268
Position Surface form Disambiguated ID Type / Status
Subject Fangshan District E442287 entity
Predicate hasMetroLine P17559 FINISHED
Object Beijing Subway Fangshan Line
The Beijing Subway Fangshan Line is a rapid transit line serving Beijing’s southwestern Fangshan District, connecting it with the main urban rail network.
 E1284484 NE FINISHED

How this triple was built (4 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Beijing Subway Fangshan Line | Statement: [Fangshan District, hasMetroLine, Beijing Subway Fangshan Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Beijing Subway Fangshan Line
Context triple: [Fangshan District, hasMetroLine, Beijing Subway Fangshan Line]
  • A. Beijing Subway Daxing Line
    The Beijing Subway Daxing Line is a rapid transit line in Beijing that connects the urban core with the southern Daxing district, serving as part of the city’s extensive metro network.
  • B. Beijing Subway Line 10
    Beijing Subway Line 10 is a major loop line in Beijing’s metro system that encircles the city center and connects numerous key business, residential, and transfer hubs.
  • C. Beijing Subway Line 16
    Beijing Subway Line 16 is a rapid transit line in Beijing’s subway network that runs generally north–south, connecting the city’s northern suburbs with central and southwestern districts.
  • D. Changping Line (Beijing Subway)
    The Changping Line of the Beijing Subway is a rapid transit line serving Beijing’s northern Changping District, linking suburban residential areas and university zones with the city’s urban rail network.
  • E. Yanfang Line (Beijing Subway)
    The Yanfang Line of the Beijing Subway is a suburban rapid transit line serving the southwestern outskirts of Beijing, designed to improve connectivity for outlying districts to the main urban rail network.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Beijing Subway Fangshan Line
Triple: [Fangshan District, hasMetroLine, Beijing Subway Fangshan Line]
Generated description
The Beijing Subway Fangshan Line is a rapid transit line serving Beijing’s southwestern Fangshan District, connecting it with the main urban rail network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Beijing Subway Fangshan Line
Target entity description: The Beijing Subway Fangshan Line is a rapid transit line serving Beijing’s southwestern Fangshan District, connecting it with the main urban rail network.
  • A. Beijing Subway Daxing Line
    The Beijing Subway Daxing Line is a rapid transit line in Beijing that connects the urban core with the southern Daxing district, serving as part of the city’s extensive metro network.
  • B. Beijing Subway Line 10
    Beijing Subway Line 10 is a major loop line in Beijing’s metro system that encircles the city center and connects numerous key business, residential, and transfer hubs.
  • C. Beijing Subway Line 16
    Beijing Subway Line 16 is a rapid transit line in Beijing’s subway network that runs generally north–south, connecting the city’s northern suburbs with central and southwestern districts.
  • D. Changping Line (Beijing Subway)
    The Changping Line of the Beijing Subway is a rapid transit line serving Beijing’s northern Changping District, linking suburban residential areas and university zones with the city’s urban rail network.
  • E. Yanfang Line (Beijing Subway)
    The Yanfang Line of the Beijing Subway is a suburban rapid transit line serving the southwestern outskirts of Beijing, designed to improve connectivity for outlying districts to the main urban rail network.
  • F. None of above. chosen

Provenance (5 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69d8b9ec79688190b86bdcef85a7b3aa completed April 10, 2026, 8:50 a.m.
NER Named-entity recognition batch_69e474844ff48190b1cf181eb9c113d9 completed April 19, 2026, 6:21 a.m.
NED1 Entity disambiguation (via context triple) batch_6a02302defe081909eaeb1f90d497561 completed May 11, 2026, 7:38 p.m.
NEDg Description generation batch_6a0231835c748190b6908d6ddb5f25b4 completed May 11, 2026, 7:44 p.m.
NED2 Entity disambiguation (via description) batch_6a0232033f788190b0be2d3976ed57e4 completed May 11, 2026, 7:46 p.m.
Created at: April 10, 2026, 10:07 a.m.